Home / 1,421,067.06-1,961,014.73-776,509.56

Finding the Fourth Proportional to 1,421,067.06, 1,961,014.73 and 776,509.56

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Solution

The fourth proportional to 1,421,067.06, 1,961,014.73 and 776,509.56 is: 1,071,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,067.06 : 1,961,014.73 = 776,509.56 : x
  2. Step 2: Convert to fraction form
    1,421,067.06/1,961,014.73 = 776,509.56/x
  3. Step 3: Cross multiply
    1,421,067.06x = 1,961,014.73 × 776,509.56
  4. Step 4: Simplify right side
    1,421,067.06x = 1,522,746,681,263.27
  5. Step 5: Solve for x
    x = 1,522,746,681,263.27/1,421,067.06
  6. Step 6: Final answer
    x = 1,071,551.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.